Well, chat control 1.0 is about making an existing practice legal, it didn't create the practice of scanning messages for know child sexual abuse material, thou

Well, chat control 1.0 is about making an existing practice legal, it didn't create the practice of scanning messages for know child sexual abuse material, though I don't know how long that has been going on before the legislation in 2021 passed (but probably for several years at that point, since getting a new law trough takes a while).